198888840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{552469}}^1$

素因数の和:552486

約数の個数: 48

約数和(自身を含む): 646389900

約数和(自身を除く): 447501060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 552469, 1104938, 1657407, 2209876, 2762345, 3314814, 4419752, 4972221, 5524690, 6629628, 8287035, 9944442, 11049380, 13259256, 16574070, 19888884, 22098760, 24861105, 33148140, 39777768, 49722210, 66296280, 99444420, 198888840]

約数ペア:

[(1, 198888840), (2, 99444420), (3, 66296280), (4, 49722210), (5, 39777768), (6, 33148140), (8, 24861105), (9, 22098760), (10, 19888884), (12, 16574070), (15, 13259256), (18, 11049380), (20, 9944442), (24, 8287035), (30, 6629628), (36, 5524690), (40, 4972221), (45, 4419752), (60, 3314814), (72, 2762345), (90, 2209876), (120, 1657407), (180, 1104938), (360, 552469)]